| 000 | 00365nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 220926s9999 xx 000 0 und d | ||
| 100 | _aA. Petrovsky | ||
| 245 | 0 | _aAge Group and Pedagogical Psychology | |
| 250 | _a1st Ed | ||
| 260 | _aMascow | ||
| 260 | _bProgress Publishers | ||
| 260 | _c1973 | ||
| 650 | _aAge Group and Pedagogical Psychology | ||
| 942 | _cBK | ||
| 999 |
_c13019 _d13019 |
||